1840441 has 2 divisors, whose sum is σ = 1840442. Its totient is φ = 1840440.

The previous prime is 1840429. The next prime is 1840453. The reversal of 1840441 is 1440481.

It is a balanced prime because it is at equal distance from previous prime (1840429) and next prime (1840453).

It can be written as a sum of positive squares in only one way, i.e., 1166400 + 674041 = 1080^2 + 821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1840441 - 2⁷ = 1840313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1840541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920220 + 920221.

It is an arithmetic number, because the mean of its divisors is an integer number (920221).

2^1840441 is an apocalyptic number.

It is an amenable number.

1840441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1840441 is an equidigital number, since it uses as much as digits as its factorization.

1840441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1840441 is about 1356.6285416428. The cubic root of 1840441 is about 122.5483024842.

The spelling of 1840441 in words is "one million, eight hundred forty thousand, four hundred forty-one".